how do you solve for 4.477 value for years 9-20 when P= 1/(1+r)^n. when r =7.25%

We sleevieves Depreciation of Capitalisation will result a cost saving due to tax advantage All future cash outflows are discounted 9.75% considering inflation The Company should buy the new engine and do the overhaul Present volue of Cash outflow with New engine is only 10,94,596 while without new engine it would be 87,57,776 it is due to sewings in yearly maintenance cost 30,00,000.00 11.81.000.00 9 to 20 2 714.700 8.85.000 5.24,700 35,000 3.14.00 85.000 2.67.900 85.000 2.67.900 3,85.000 1.33.500 1,85,000 8,85,000 1,15,000 15.00.000,00 Present value of buying and operating New Machine Cost of Machine Yearly Maintenance Cost Year Depreciation: Year Expense Payment for Machine and training cost Additional revenue Total Outflow Taxon depreciation Actual Cash outflow (Cashenense tax saving Real Interest: 0.5-inflation 1.25) p of interest725 PV of Cash outflows PV of total cash outflows 4,28,700 185.000 15.50.000 1,75.000 22.60.000 1,30.045 21.09955 1.25.000 7/10 000 15.00.000.00 175.000 7.10,000 2.57.145 452.55 12.000 7.10,000 1.81,645 5.2355 1.75.000 7,10.000 1.31.145 57.655 1.2.000 7. 10,000 91.760 6.16.236 1.75.000 7.10.000 93,105 6,16,235 1,75,000 7.10,000 93,285 6.16.235 1.75,000 7.10.000 46,725 5,68.275 15,00.000,00 210.000 1.00 15,00.000.00 M 93.955.74 0.9124 19.67.122.04 0.8694 3.93.1655 01100 4.26.663.10 0.7558 4.17.490.61 0.7047 0.6521 0.6127 4.1.250.00401909.533.77.541.22 0.5712 44777 370,06320001.79.10.20